1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/cdns,csi2rx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Cadence MIPI-CSI2 RX controller
8
9 maintainers:
10 - Maxime Ripard <mripard@kernel.org>
11
12 description:
13 The Cadence MIPI-CSI2 RX controller is a CSI-2 bridge supporting up to 4 CSI
14 lanes in input, and 4 different pixel streams in output.
15
16 properties:
17 compatible:
18 items:
19 - enum:
20 - starfive,jh7110-csi2rx
21 - ti,j721e-csi2rx
22 - const: cdns,csi2rx
23
24 reg:
25 maxItems: 1
26
27 clocks:
28 items:
29 - description: CSI2Rx system clock
30 - description: Gated Register bank clock for APB interface
31 - description: pixel Clock for Stream interface 0
32 - description: pixel Clock for Stream interface 1
33 - description: pixel Clock for Stream interface 2
34 - description: pixel Clock for Stream interface 3
35
36 clock-names:
37 items:
38 - const: sys_clk
39 - const: p_clk
40 - const: pixel_if0_clk
41 - const: pixel_if1_clk
42 - const: pixel_if2_clk
43 - const: pixel_if3_clk
44
45 resets:
46 items:
47 - description: CSI2Rx system reset
48 - description: Gated Register bank reset for APB interface
49 - description: pixel reset for Stream interface 0
50 - description: pixel reset for Stream interface 1
51 - description: pixel reset for Stream interface 2
52 - description: pixel reset for Stream interface 3
53
54 reset-names:
55 items:
56 - const: sys
57 - const: reg_bank
58 - const: pixel_if0
59 - const: pixel_if1
60 - const: pixel_if2
61 - const: pixel_if3
62
63 phys:
64 maxItems: 1
65 description: MIPI D-PHY
66
67 phy-names:
68 items:
69 - const: dphy
70
71 ports:
72 $ref: /schemas/graph.yaml#/properties/ports
73
74 properties:
75 port@0:
76 $ref: /schemas/graph.yaml#/$defs/port-base
77 unevaluatedProperties: false
78 description:
79 Input port node, single endpoint describing the CSI-2 transmitter.
80
81 properties:
82 endpoint:
83 $ref: video-interfaces.yaml#
84 unevaluatedProperties: false
85
86 properties:
87 bus-type:
88 const: 4
89
90 clock-lanes:
91 const: 0
92
93 data-lanes:
94 minItems: 1
95 maxItems: 4
96 items:
97 maximum: 4
98
99 required:
100 - data-lanes
101
102 port@1:
103 $ref: /schemas/graph.yaml#/properties/port
104 description:
105 Stream 0 Output port node
106
107 port@2:
108 $ref: /schemas/graph.yaml#/properties/port
109 description:
110 Stream 1 Output port node
111
112 port@3:
113 $ref: /schemas/graph.yaml#/properties/port
114 description:
115 Stream 2 Output port node
116
117 port@4:
118 $ref: /schemas/graph.yaml#/properties/port
119 description:
120 Stream 3 Output port node
121
122 required:
123 - port@0
124
125 required:
126 - compatible
127 - reg
128 - clocks
129 - clock-names
130 - ports
131
132 additionalProperties: false
133
134 examples:
135 - |
136 csi@d060000 {
137 compatible = "starfive,jh7110-csi2rx", "cdns,csi2rx";
138 reg = <0x0d060000 0x1000>;
139 clocks = <&byteclock 7>, <&byteclock 6>,
140 <&coreclock 8>, <&coreclock 9>,
141 <&coreclock 10>, <&coreclock 11>;
142 clock-names = "sys_clk", "p_clk",
143 "pixel_if0_clk", "pixel_if1_clk",
144 "pixel_if2_clk", "pixel_if3_clk";
145 resets = <&bytereset 9>, <&bytereset 4>,
146 <&corereset 5>, <&corereset 6>,
147 <&corereset 7>, <&corereset 8>;
148 reset-names = "sys", "reg_bank",
149 "pixel_if0", "pixel_if1",
150 "pixel_if2", "pixel_if3";
151 phys = <&csi_phy>;
152 phy-names = "dphy";
153
154 ports {
155 #address-cells = <1>;
156 #size-cells = <0>;
157
158 port@0 {
159 reg = <0>;
160
161 csi2rx_in_sensor: endpoint {
162 remote-endpoint = <&sensor_out_csi2rx>;
163 clock-lanes = <0>;
164 data-lanes = <1 2>;
165 };
166 };
167
168 port@1 {
169 reg = <1>;
170
171 csi2rx_out_grabber0: endpoint {
172 remote-endpoint = <&grabber0_in_csi2rx>;
173 };
174 };
175
176 port@2 {
177 reg = <2>;
178
179 csi2rx_out_grabber1: endpoint {
180 remote-endpoint = <&grabber1_in_csi2rx>;
181 };
182 };
183
184 port@3 {
185 reg = <3>;
186
187 csi2rx_out_grabber2: endpoint {
188 remote-endpoint = <&grabber2_in_csi2rx>;
189 };
190 };
191
192 port@4 {
193 reg = <4>;
194
195 csi2rx_out_grabber3: endpoint {
196 remote-endpoint = <&grabber3_in_csi2rx>;
197 };
198 };
199 };
200 };
201
202 ...
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